TROUBLESHOOTING & REPAIR | M300EU |
| Addendum to M300E/EM Manual P/N 04288 |
11.2. FAULT DIAGNOSIS WITH WARNING MESSAGES
The following Table replaces Table
| Table | Warning Messages - Indicated Failures | ||
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WARNING | FAULT CONDITION | POSSIBLE CAUSES | ||
MESSAGE | ||||
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| Bad bench heater | |
BENCH TEMP | The optical bench temp is | Bad bench temperature sensor | ||
Bad relay controlling the bench heater | ||||
WARNING | controlled at 48 ± 2 °C. | |||
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| Entire relay board is malfunctioning | |
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| I2C buss malfunction | |
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| NOTE: For M300EU‘s operating for at least 2 hours, the box | |
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| temperature typically should be the same as the oven | |
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| temperature (46ºC). | |
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| Stopped motherboard stabilization fan | |
BOX TEMP | Box Temp is | Stopped oven heater fan (there are two) | ||
Failed oven heater (s) | ||||
WARNING | < 5 °C or > 48 °C. | |||
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| Failed oven fan(s) | |
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| Failed oven temperature sensor | |
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| Failed relay controlling the one of the oven heaters | |
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| Failed relay board | |
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| I2C buss | |
CANNOT DYN | Dynamic Span operation failed | Measured concentration value is too high or low. | ||
SPAN | Concentration slope value to high or too low | |||
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CANNOT DYN | Dynamic Zero operation failed | Measured concentration value is too high. | ||
ZERO | Concentration offset value to high. | |||
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CONFIG | Configuration and Calibration data | Failed disk on chip | ||
INITIALIZED | reset to original Factory state. | User erased data | ||
DATA INITIALIZED | Data Storage in iDAS was erased | Failed disk on chip | ||
User cleared data | ||||
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| Warning only appears on serial I/O com port(s) | |
FRONT PANEL | The CPU is unable to | Front panel display will be frozen, blank or will not respond. | ||
Communicate with the Front Panel | Failed keyboard | |||
WARN | ||||
Display /Keyboard | I2C buss failure | |||
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| Loose connector/wiring | |
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| Failed IR | |
PHOTO TEMP | PHT DRIVE is | Failed sync/demod board | ||
WARNING | >4800 mVDC | IR | ||
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| Bench temp too high. | |
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| Oven temperature outside of specified range | |
| The temperature of the insulated | Failed oven heater (s) | ||
OVEN TEMP | Failed oven fan(s) | |||
convection oven area of the | ||||
Failed oven temperature sensor | ||||
WARNING | analyzer is outside of the specified | |||
Relay controlling the one of the oven heater | ||||
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| Failed relay board | ||
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| I2C buss | |
REAR BOARD NOT | Mother Board not detected on | Warning only appears on serial I/O com port(s) | ||
power up. |
| Front panel display will be frozen, blank or will not respond. | ||
DET |
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| Massive failure of mother board | ||
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RELAY BOARD | The CPU cannot communicate with | I2C buss failure | ||
Failed relay board | ||||
WARN | the Relay Board. | |||
Loose connectors/wiring | ||||
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(Table continued on next page)
60 | 05514 Rev A1 |